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Q: To obtain cement dry powder lime stones and shale or their slurry is burnt in a ……….at a temperature between 1400⁰ and 1500⁰C.
  • A. hoffman kiln
  • B. Muffle kiln
  • C. rotary kiln
  • D. none of the above
Correct Answer: Option C - To obtain cement dry powder lime stones and shales or their slurry is burnt in a rotary kiln at a temperature between 1400⁰C and 1500⁰C. • The weight of 1m³ of cement = 1440 kg/m • Different grade of cement uses in market 33, 43 and 53 • The percentage of voids in cement approximate 40% • The sieve use in cement testing size is 90μ
C. To obtain cement dry powder lime stones and shales or their slurry is burnt in a rotary kiln at a temperature between 1400⁰C and 1500⁰C. • The weight of 1m³ of cement = 1440 kg/m • Different grade of cement uses in market 33, 43 and 53 • The percentage of voids in cement approximate 40% • The sieve use in cement testing size is 90μ

Explanations:

To obtain cement dry powder lime stones and shales or their slurry is burnt in a rotary kiln at a temperature between 1400⁰C and 1500⁰C. • The weight of 1m³ of cement = 1440 kg/m • Different grade of cement uses in market 33, 43 and 53 • The percentage of voids in cement approximate 40% • The sieve use in cement testing size is 90μ